Description Soft and wide sealing rings filled with a unique combination of foam & liquid to offer optimum sealing & low pressure. High attenuation despite lightness and low profile: 27db SNR. Unique band design, stainless steel wire for constant pressure over long periods of use. Yellow cup. Conforms to EN352 Part 1. H=32, M=25, L=15, SNR=27. Weight 180g.
